Mathematics, 15.11.2019 19:31, ProAtWork7
An actuary wants to prove that the unofficial drinking age is younger than 21. it is assumed the age is normally distributed with a known population standard deviation of 5. let there be a sample of 25 millennials with an average drinking age of 17. the significance level should be strong because the actuary wants to use this test to show that 21 is not necessarily the most dangerous year to drive.
1. describe the null and alternative hypotheses.
2. choose a significance level that makes sense to you and conduct the test statistic.
3. interpret your results.
Answers: 2
Mathematics, 21.06.2019 14:30, mfweldon64
The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?
Answers: 3
Mathematics, 21.06.2019 20:00, anabelleacunamu
Find the value of x. round the length to the nearest tenth
Answers: 1
An actuary wants to prove that the unofficial drinking age is younger than 21. it is assumed the age...
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